public class Example4_19 {
   public static void main(String args[]) {
      Student zhang=new Student(); 
      Student geng=new Student();  
      zhang.setAge(23); 
      System.out.println("zhangµÄÄêÁä£º"+zhang.getAge()); 
      geng.setAge(25);
      //zhang.age=23;»ògeng.age=25;¶¼ÊÇ·Ç·¨µÄ£¬ÒòÎªzhangºÍgengÒÑ¾­²»ÔÚStudentÀàÖÐ 
      System.out.println("gengµÄÄêÁä£º"+geng.getAge());  
    }
}




